iContentsConfiguring Ethernet interfaces ··································································································································· 1Configuring a management Ethernet interface ·············································································································· 1Ethernet interface naming conventions ··························································································································· 1Configuring common Ethernet interface settings ··········································································································· 1Splitting a 40-GE interface and combining 10-GE breakout interfaces ····························································· 2Configuring basic settings of an Ethernet interface ······························································································ 3Configuring the link mode of an Ethernet interface ······························································································ 4Configuring jumbo frame support ·························································································································· 4Configuring physical state change suppression on an Ethernet interface·························································· 5Performing a loopback test on an Ethernet interface····························································································6Configuring generic flow control on an Ethernet interface ·················································································· 6Configuring PFC on an Ethernet interface ············································································································· 7Enabling energy saving features on an Ethernet interface ·················································································· 8Setting the statistics polling interval ························································································································ 9Forcibly bringing up a fiber port ························································································································· 10Configuring a Layer 2 Ethernet interface ···················································································································· 11Configuring storm suppression ···························································································································· 11Configuring storm control on an Ethernet interface ··························································································· 12Setting the MDIX mode of an Ethernet interface ································································································ 13Testing the cable connection of an Ethernet interface ······················································································· 14Configuring a Layer 3 Ethernet interface or subinterface ·························································································· 15Setting the MTU for an Ethernet interface or subinterface ················································································ 15Displaying and maintaining an Ethernet interface ····································································································· 15Configuring loopback, null, and inloopback interfaces ·························································································· 17Configuring a loopback interface ································································································································ 17Configuring a null interface ·········································································································································· 18Configuring an inloopback interface ··························································································································· 18Displaying and maintaining loopback, null, and inloopback interfaces ································································· 18Bulk configuring interfaces ········································································································································ 20Configuration guidelines ··············································································································································· 20Configuration procedure ··············································································································································· 20Displaying and maintaining bulk interface configuration·························································································· 21Configuring the MAC address table ························································································································ 22Overview········································································································································································· 22How a MAC address entry is created ················································································································ 22Types of MAC address entries ····························································································································· 23MAC address table configuration task list ·················································································································· 23Configuring MAC address entries································································································································ 24Configuration guidelines ······································································································································ 24Adding or modifying a static or dynamic MAC address entry globally ························································· 24Adding or modifying a static or dynamic MAC address entry on an interface ············································· 25Adding or modifying a blackhole MAC address entry ····················································································· 25Adding or modifying a multiport unicast MAC address entry ········································································· 26Disabling MAC address learning ································································································································· 27Disabling global MAC address learning ············································································································ 27Disabling MAC address learning on an interface ····························································································· 27Disabling MAC address learning on a VLAN ···································································································· 28